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SWT Web Installer Description

A Java library that helps to install Java applications based on SWT

The SWT web installer is a Java library that helps to install Java applications based on SWT.
It downloads from the internet the right version of the SWT GUI library for the PC where you are installing the application that uses it.

SWT is a GUI library that is based on native code, so there is a version of it for each platform (Windows, MacOSX, Linux, 32 or 64 bits...).
If you made an application based on SWT that is supposed to be installed on any platform you need therefore to either:

1. make one setup file for each platform (they can be many).
2. make one setup file for the most common platforms (Windows, MacOSX, Linux 32 bits?).
3. use the SWT web installer.

Using the SWT web installer you only need one setup file.

How does it work?

When called, the SWT web installer does the following steps:

* it loads from the internet a file containing a list of links to download the SWT library from, one for each platform.
* It checks the platform in which it is running (two properties, os.type and os.arch).
* it gets the link to the SWT library for that platform from the downloaded list file.
* it downloads the SWT library (it is a zip file).
* it unzips the SWT library in a specific directory.

Since the SWT web installer cannot work without internet, and it can happen that the internet can be accessed only through a firewall or a proxy, the system checks with the user if there is a proxy and, in this case, if the proxy needs authorization; then it uses this information to connect to the internet.

Principles

* Always have an alternative. Since the SWT web installer can run on any platform with different internet setups, it is possible that something goes wrong. In this case it tries other solutions.
For example it can happen that the platform is not recognized. In this case, the SWT web installer lets the user choose the platform.
* Maximum information. SWT web installer tries always to explain what it is doing. In this way the user can continue manually if for some reason the library is not able to continue (for example because it is not able to connect to the internet).
* Flexibility. To get data from the user and give feedback to the user the SWT web installer uses by default the console (i.e. command line, shell).
This is because the application that runs the library with high probability does not have a GUI, since it is a GUI library we are installing.
But this is only the default case: SWT web installer can be customized to use any kind of interface to interact with the user.

SWT Web Installer Download Button For Your Site

If you want to place a Download Button for SWT Web Installer on your website just insert the following code:

If you want a Link to this page you can use one of the logos bellow:

SWT Web Installer User Reviews

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